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From: Doug Anderson <dianders@chromium.org>
To: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Rob Herring <robh+dt@kernel.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Olof Johansson <olof@lixom.net>
Subject: Re: [RFC PATCH 1/4] Documentation: mmc: add description for new caps
Date: Wed, 22 Jun 2016 08:06:20 -0700	[thread overview]
Message-ID: <CAD=FV=WNaTEDyVNyteLq3O-BL9KxR49W=44jbXogKXd2dkDWDQ@mail.gmail.com> (raw)
In-Reply-To: <1465374021-2526-1-git-send-email-shawn.lin@rock-chips.com>

Hi,

On Wed, Jun 8, 2016 at 1:20 AM, Shawn Lin <shawn.lin@rock-chips.com> wrote:
> Let's add some basic description for cap-no-sdio,
> cap-no-sd and cap-no-mmc.
>
> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
>
> ---
>
>  Documentation/devicetree/bindings/mmc/mmc.txt | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
> index ecc007a..e16d42b 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
> @@ -39,6 +39,9 @@ Optional properties:
>  - cap-power-off-card: powering off the card is safe
>  - cap-mmc-hw-reset: eMMC hardware reset is supported
>  - cap-sdio-irq: enable SDIO IRQ signalling on this interface
> +- cap-no-sdio: skip sending sdio cmd during initialization
> +- cap-no-sd: skip sending sd cmd during initialization
> +- cap-no-mmc: skip sending mmc cmd during initialization

In the past it has been determined that the "cap-" prefix is
unnecessary.  Some properties still have "cap-" because of backward
compatibility reasons, but as I understand it new properties shouldn't
start with "cap-".

See <https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-June/034664.html>
for reference.

-Doug

  parent reply	other threads:[~2016-06-22 15:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-08  8:19 [RFC PATCH 0/4] Introduce new caps to improve the card's init sequence Shawn Lin
2016-06-08  8:20 ` [RFC PATCH 1/4] Documentation: mmc: add description for new caps Shawn Lin
2016-06-08 20:48   ` Rob Herring
2016-06-22 12:30     ` Ulf Hansson
2016-06-22 15:06   ` Doug Anderson [this message]
2016-06-23  1:29     ` Shawn Lin
2016-06-23  4:33       ` Doug Anderson
2016-06-08  8:20 ` [RFC PATCH 2/4] mmc: core: expose MMC_CAP2_NO_SDIO to dt-binding Shawn Lin
2016-06-08  8:20 ` [RFC PATCH 3/4] mmc: core: add cap-no-sd and cap-no-mmc properties Shawn Lin
2016-06-08  8:22 ` [RFC PATCH 4/4] mmc: core: improve initialization flow Shawn Lin
2016-06-22 12:37 ` [RFC PATCH 0/4] Introduce new caps to improve the card's init sequence Ulf Hansson
2016-06-23  1:35   ` Shawn Lin

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